When I pick up a pen to write on the smart board... it won't write. The overlay doesn't appear on the board???? what do I do ?

http://downloads01.smarttech.com/media/sitecore/en/support/partsdiagrams/universaloverlaypartsdiagramsv1nov09.pdf

300 series overlay SMART Technologies

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SMART Board software How to download and install

How old is it? The OLEDs on mine went south after a few years. I find the pen, albeit a great idea, the execution is junk. No user replaceable battery?? Its really planned death.

Is it a range or a bulit in oven? Unplug or turn off power to your range/oven. If it's a range, take off the back of the range or at least the control panel area. Remove the 4 screws that hold the control panel in place. You may or may not have to remove the wires that go the the oven control, but if you do, take a picture of them with your digital camera or smart phone. Now, carefully lift up a corner of the overlay using your finger nail(s). Lift it just enough to put the round shaft of a phillips screwdriver between the overlay and the controller. Now start twisting the screwdriver so it feeds itself between the overlay and controller. This will allow it to separate the 2 parts smoothly so the paint won't separate from the overlay.

If you need further help, reach me via phone at https://www.6ya.com/expert/ronald_e6b9572cebe3ad27

restore your factory settings

Confirm your computer is compatible for the latest release of SMART Product Drivers and upgrade using the Education Software Installer.
Disconnect and then reconnect the SMART Board from your computer, and reorient the SMART Board. If the issue persists contact SMART Customer Support for further assistance using SMART Board Diagnostics.

I recommend contacting an authorized SMART Technologies reseller in your region. For contact information click here.

Sounds like a grounding issue. Check to see if there are nylon washers on the mounting screws at the bottom. You have to remove the pen tray first. If they are there, contact your reseller. You might have a defective board.

It depends on if the issue is in the control board itself or just the overlay has become flat.A new control board would be part# WB27T10911 which is about 120.00. The overlay part number is WB27T10968 and retails for approx 85.
To replace either one you would have to remove the control panel and control board. The overlay will be glued to the control board. You could take a heat gun any heat the board up slightly to remove the overlay. Be sure not to let the board get too hot you dont want to damage any of the components on the board. Hope this helps.

dip checking first is good. then reorient the board. press and hold the 2 large buttons on the pen tray until the 9-point orientation appears. use one of the smart pens to orient. don't just press the dots, start about 6 inches from the dot and draw an arc to the dot and hold it at the dot for a second, then release and do the same for the other 8. if there is still a problem, the usb voltage might be low coming from the hub/computer. try another usb cable or a shorter one. there shouldn't be more than 4 usb cables coming from one hub and the usb cables cannot be longer than 16 feet.